* BlockId removal: refactor: HeaderBackend::header
It changes the arguments of:
- `HeaderBackend::header`,
- `Client::header`
methods from: `BlockId<Block>` to: `Block::Hash`
This PR is part of BlockId::Number refactoring analysis (paritytech/substrate#11292)
* missed fixes
* BlockId removal: refactor: HeaderBackend::expect_header
It changes the arguments of `HeaderBackend::expect_header` method from: `BlockId<Block>` to: `Block::Hash`
* update lockfile for {"substrate"}
* misspell fixed
Co-authored-by: parity-processbot <>